Finding the Fourth Proportional to 88,262.82, 121,703.82 and 82,664.10

Step by Step Solution

1. Step 1: Write the proportion equation
   88,262.82 : 121,703.82 = 82,664.10 : x
2. Step 2: Convert to fraction form
   88,262.82/121,703.82 = 82,664.10/x
3. Step 3: Cross multiply
   88,262.82x = 121,703.82 × 82,664.10
4. Step 4: Simplify right side
   88,262.82x = 10,060,536,746.86
5. Step 5: Solve for x
   x = 10,060,536,746.86/88,262.82
6. Step 6: Final answer
   x = 113,983.86